Finding the Fourth Proportional to 3,378,152.56, 4,661,926.08 and 1,927,819.12
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Solution
The fourth proportional to 3,378,152.56, 4,661,926.08 and 1,927,819.12 is: 2,660,433.50
Step by Step Solution
- Step 1: Write the proportion equation
3,378,152.56 : 4,661,926.08 = 1,927,819.12 : x - Step 2: Convert to fraction form
3,378,152.56/4,661,926.08 = 1,927,819.12/x - Step 3: Cross multiply
3,378,152.56x = 4,661,926.08 × 1,927,819.12 - Step 4: Simplify right side
3,378,152.56x = 8,987,350,233,050.65 - Step 5: Solve for x
x = 8,987,350,233,050.65/3,378,152.56 - Step 6: Final answer
x = 2,660,433.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.